Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 4th Sem New 2142405 Analog Electronics And Its Applications Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? IV (New) EXAMINATION ? WINTER 2019
Subject Code: 2142405 Date: 10/12/2019
Subject Name: Analog Electronics and Its Applications
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Compare Diode with Bipolar Junction Transistor. 03
(b) Draw Class ? A amplifier circuit and specify its applications and
limitations.
04
(c) Explain 78xx and 79xx voltage regulators. Draw necessary circuit diagram
to get 12-volt constant output using 7812 IC.
07
Q.2 (a) Draw Class-C amplifier circuit and specify its applications. 03
(b) Give comparative statements in Tabular form for CE, CB, CC
Configuration of BJT.
04
(c) Draw and explain Full Wave Rectifier circuit diagram and various
waveforms having capacitor filter for R ? Load.
07
OR
(c) Draw and explain Full Wave Rectifier circuit diagram and various
waveforms without capacitor filter for RL-Load.
07
Q.3 (a) Discuss Ideal Op-amp. 03
(b) Discuss practical Op-amp Characteristics. 04
(c) Draw the basic block diagram, symbol, characteristics and equivalent
circuit of Operational Amplifier. List the type and important parameters of
Op-amp.
07
OR
Q.3 (a) What are the significances of DC load line characteristics? 03
(b) Explain squire wave generator with neat & clean diagram. 04
(c) Define: (1) CMRR (2) Input offset voltage (3) Slew rate (4) Input bias
current (5) PSRR (6) Thermal drift (7) Bandwidth
07
Q.4 (a) Draw Peak Sample and Hold Circuit using Op-amp. 03
(b) Draw and explain Precision Rectifier Detector using Op-amp. 04
(c) Explain clipper and clamper circuits using Op-amp with necessary diagram
& waveforms. Give applications of it.
07
OR
Q.4 (a) Explain the frequency response of high pass filter. 03
(b) Draw block diagram of V/F converter and explain its working. 04
(c) Explain bistable multivibrator using 555. Give necessary equations and
draw neat diagram and various waveforms.
07
Q.5 (a) Discuss Phase Shift Oscillator. 03
(b) Discuss Wien Bridge Oscillator. 04
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? IV (New) EXAMINATION ? WINTER 2019
Subject Code: 2142405 Date: 10/12/2019
Subject Name: Analog Electronics and Its Applications
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Compare Diode with Bipolar Junction Transistor. 03
(b) Draw Class ? A amplifier circuit and specify its applications and
limitations.
04
(c) Explain 78xx and 79xx voltage regulators. Draw necessary circuit diagram
to get 12-volt constant output using 7812 IC.
07
Q.2 (a) Draw Class-C amplifier circuit and specify its applications. 03
(b) Give comparative statements in Tabular form for CE, CB, CC
Configuration of BJT.
04
(c) Draw and explain Full Wave Rectifier circuit diagram and various
waveforms having capacitor filter for R ? Load.
07
OR
(c) Draw and explain Full Wave Rectifier circuit diagram and various
waveforms without capacitor filter for RL-Load.
07
Q.3 (a) Discuss Ideal Op-amp. 03
(b) Discuss practical Op-amp Characteristics. 04
(c) Draw the basic block diagram, symbol, characteristics and equivalent
circuit of Operational Amplifier. List the type and important parameters of
Op-amp.
07
OR
Q.3 (a) What are the significances of DC load line characteristics? 03
(b) Explain squire wave generator with neat & clean diagram. 04
(c) Define: (1) CMRR (2) Input offset voltage (3) Slew rate (4) Input bias
current (5) PSRR (6) Thermal drift (7) Bandwidth
07
Q.4 (a) Draw Peak Sample and Hold Circuit using Op-amp. 03
(b) Draw and explain Precision Rectifier Detector using Op-amp. 04
(c) Explain clipper and clamper circuits using Op-amp with necessary diagram
& waveforms. Give applications of it.
07
OR
Q.4 (a) Explain the frequency response of high pass filter. 03
(b) Draw block diagram of V/F converter and explain its working. 04
(c) Explain bistable multivibrator using 555. Give necessary equations and
draw neat diagram and various waveforms.
07
Q.5 (a) Discuss Phase Shift Oscillator. 03
(b) Discuss Wien Bridge Oscillator. 04
2
(c) Draw and explain the circuit diagram and various waveforms for
Triangular Wave Generator.
07
OR
Q.5 (a) Enlist the possible name of logic gates. Enumerate the advantages of logic
gates.
03
(b) Construct and explain a logic gate using Discrete Components. 04
(c) Give possible comparative statements for DTL, TTL & RTL in tabular
forms.
07
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This post was last modified on 20 February 2020